Related species: Viola praemorsa ssp. linguifolia Viola praemorsa ssp. praemorsa
Plant Communities: Yellow Pine Forest Douglas-Fir Forest Northern Oak Woodland Northern Juniper Woodland
Counties: Amador Del Norte El Dorado Fresno Humboldt Lassen Madera Marin Mariposa Mendocino Mono Modoc Nevada Placer Plumas Shasta Sierra Siskiyou Trinity Tulare